1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/st,stm32-ltdc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 lcd-tft display controller
8
9maintainers:
10  - Philippe Cornu <philippe.cornu@st.com>
11  - Yannick Fertre <yannick.fertre@st.com>
12
13properties:
14  compatible:
15    const: st,stm32-ltdc
16
17  reg:
18    maxItems: 1
19
20  interrupts:
21    items:
22      - description: events interrupt line.
23      - description: errors interrupt line.
24    minItems: 1
25
26  clocks:
27    maxItems: 1
28
29  clock-names:
30    items:
31      - const: lcd
32
33  resets:
34    maxItems: 1
35
36  port:
37    $ref: /schemas/graph.yaml#/properties/port
38    description: |
39      Video port for DPI RGB output.
40      ltdc has one video port with up to 2 endpoints:
41      - for external dpi rgb panel or bridge, using gpios.
42      - for internal dpi input of the MIPI DSI host controller.
43      Note: These 2 endpoints cannot be activated simultaneously.
44
45required:
46  - compatible
47  - reg
48  - interrupts
49  - clocks
50  - clock-names
51  - resets
52  - port
53
54additionalProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/interrupt-controller/arm-gic.h>
59    #include <dt-bindings/clock/stm32mp1-clks.h>
60    #include <dt-bindings/reset/stm32mp1-resets.h>
61    ltdc: display-controller@40016800 {
62        compatible = "st,stm32-ltdc";
63        reg = <0x5a001000 0x400>;
64        interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
65                     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
66        clocks = <&rcc LTDC_PX>;
67        clock-names = "lcd";
68        resets = <&rcc LTDC_R>;
69
70        port {
71             ltdc_out_dsi: endpoint {
72                     remote-endpoint = <&dsi_in>;
73             };
74        };
75    };
76
77...
78
79